CN213377677U

CN213377677U - Concrete mixing plant is with coarse aggregate screening plant

Info

Publication number: CN213377677U
Application number: CN202022154416.2U
Authority: CN
Inventors: 谢正伦; 戴雪莲
Original assignee: Yichang Lihua New Building Materials Co Ltd
Current assignee: Yichang Lihua New Building Materials Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-08
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a coarse aggregate screening plant for concrete mixing plant, which comprises a housing, the bottom of casing is fixedly connected with a plurality of landing legs, the inner wall slope of casing rotates and is connected with urceolus and inner tube, urceolus and inner tube are coaxial setting, the inner tube is located the urceolus, the outer wall of inner tube has evenly seted up the second sieve mesh, the outer wall of urceolus has evenly seted up first sieve mesh, the outer wall of casing is fixedly connected with the feeder hopper, the discharge end of feeder hopper runs through the outer wall of casing, the discharge end of feeder hopper communicates with the top of inner tube, the outer wall of casing runs through with the corresponding department of the bottom of inner tube and is provided with first discharging pipe; the utility model discloses a with inner tube and urceolus setting inside the casing, can effectively reduce the raise dust diffusion that the screening in-process produced to the outside air in, ensured the air quality, played good environmental protection effect.

Description

Concrete mixing plant is with coarse aggregate screening plant

Technical Field

The utility model relates to a screening plant specifically is a concrete mixing plant uses coarse aggregate screening plant.

Background

Aggregate is also known as "aggregate". The concrete and mortar are granular materials with the functions of framework and filling. There are two kinds of fine aggregate and coarse aggregate. The diameter of the fine aggregate particles is between 0.16 and 5 mm, natural sand such as river sand, sea sand, valley sand and the like is generally adopted, and when the natural sand is lacked, artificial sand ground by hard rocks can be used; the particle diameter of the coarse aggregate is more than 5 mm, the common crushed stone and pebbles exist, under the same condition, the strength of the crushed stone concrete is higher than that of the pebble concrete, but the crushed stone is formed by crushing rocks, and the cost is higher than that of the pebbles. The common coarse aggregate in the light aggregate concrete comprises natural porous rock such as pumice and the like, and artificial porous aggregate such as ceramsite, expanded slag and the like.

Concrete mixing plant is when grading the aggregate, often uses open-air multistage screening plant to sieve, can produce a large amount of raise dusts at the screening in-process, has destroyed the air quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete mixing plant uses coarse aggregate screening plant to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coarse aggregate screening plant for concrete mixing plant, includes the casing, a plurality of landing legs of bottom fixedly connected with of casing, the inner wall slope of casing is rotated and is connected with urceolus and inner tube, urceolus and inner tube are coaxial setting, the inner tube is located the urceolus, the second sieve mesh has evenly been seted up to the outer wall of inner tube, first sieve mesh has evenly been seted up to the outer wall of urceolus, the outer wall fixedly connected with feeder hopper of casing, the discharge end of feeder hopper runs through the outer wall of casing, the discharge end of feeder hopper and the top intercommunication of inner tube, the outer wall of casing runs through with the department that corresponds of the bottom of inner tube and is provided with first discharging pipe, the outer wall of casing runs through with the department that corresponds of the bottom of urceolus and is provided with the second.

As a further aspect of the present invention: the inner wall of casing rotates and is connected with the drive shaft, the center pin of drive shaft and the center pin collineation of inner tube, the even fixedly connected with a plurality of second dead lever of outer wall of drive shaft, the one end of second dead lever and the inner wall fixed connection of inner tube, the outer wall fixedly connected with support of casing, the outer wall fixedly connected with gear motor of support, the one end of drive shaft runs through behind the inner wall of casing and gear motor's the axle extension fixed connection.

As a further aspect of the present invention: the inner wall of the inner cylinder is fixedly connected with a spiral clapboard.

As a further aspect of the present invention: the outer wall of inner tube is even fixedly connected with a plurality of first dead lever, the one end of first dead lever and the inner wall fixed connection of urceolus.

As a further aspect of the present invention: the aperture of the first sieve pore is smaller than that of the second sieve pore.

As a further aspect of the present invention: the bottom of the shell shrinks in a conical shape, and the bottom of the shell is fixedly connected with a vibration motor.

As a further aspect of the present invention: the outer wall fixedly connected with switch of casing, gear motor, vibrating motor all with switch electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the inner cylinder and the outer cylinder are arranged inside the shell, so that the dust generated in the screening process can be effectively reduced to be diffused into the outside air, the air quality is ensured, and a good environment-friendly effect is achieved;

2. the utility model can effectively slow down the downward moving speed of the coarse aggregate in the inner cylinder through the arrangement of the spiral clapboard, thereby fully screening the coarse aggregate and effectively improving the screening effect;

3. the utility model discloses a vibrating motor's setting, when the screening in-process, can start vibrating motor and make casing bottom produce the vibration to make the quick landing of aggregate in the casing discharge to third discharging pipe department, can effectively avoid the aggregate to produce in the casing and pile up.

Drawings

FIG. 1 is a schematic structural view of a coarse aggregate screening device for a concrete mixing plant.

Fig. 2 is an enlarged view of a point a in fig. 1.

FIG. 3 is a schematic structural diagram of a first discharge pipe in the coarse aggregate screening device for a concrete mixing plant.

The device comprises a shell 1, supporting legs 2, an outer barrel 3, a first sieve pore 4, an inner barrel 5, a second sieve pore 6, a first fixing rod 7, a driving shaft 8, a second fixing rod 9, a spiral partition plate 10, a support 11, a speed reducing motor 12, a feeding hopper 13, a first discharging pipe 14, a second discharging pipe 15, a third discharging pipe 16, a vibrating motor 17 and a switch 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a coarse aggregate screening device for a concrete mixing plant comprises a housing 1, a plurality of support legs 2 are fixedly connected to the bottom of the housing 1, an outer cylinder 3 and an inner cylinder 5 are connected to the inner wall of the housing 1 in an inclined and rotatable manner, the outer cylinder 3 and the inner cylinder 5 are coaxially arranged, the inner cylinder 5 is located in the outer cylinder 3, second sieve holes 6 are uniformly formed in the outer wall of the inner cylinder 5, first sieve holes 4 are uniformly formed in the outer wall of the outer cylinder 3, a feed hopper 13 is fixedly connected to the outer wall of the housing 1, a discharge end of the feed hopper 13 penetrates through the outer wall of the housing 1, a discharge end of the feed hopper 13 is communicated with the top end of the inner cylinder 5, a first discharge pipe 14 penetrates through a corresponding position of the outer wall of the housing 1 and the bottom end of the inner cylinder 5, a second discharge pipe 15 penetrates through a, a third discharge pipe 16 is arranged at the bottom of the housing 1 in a penetrating manner.

The inner wall of casing 1 rotates and is connected with drive shaft 8, the center pin of drive shaft 8 and the center pin collineation of inner tube 5, the even fixedly connected with a plurality of second dead lever 9 of outer wall of drive shaft 8, the one end of second dead lever 9 and the inner wall fixed connection of inner tube 5, the outer wall fixedly connected with support 11 of casing 1, the outer wall fixedly connected with gear motor 12 of support 11, the one end of drive shaft 8 runs through behind casing 1's the inner wall and the axle extension end fixed connection of gear motor 12.

The inner wall of the inner cylinder 5 is fixedly connected with a spiral clapboard 10.

The outer wall of the inner barrel 5 is uniformly and fixedly connected with a plurality of first fixing rods 7, and one end of each first fixing rod 7 is fixedly connected with the inner wall of the outer barrel 3.

The aperture of the first sieve pore 4 is smaller than that of the second sieve pore 6.

The bottom of the shell 1 is tapered and contracted, and the bottom of the shell 1 is fixedly connected with a vibration motor 17.

The outer wall of the shell 1 is fixedly connected with a switch 18, and the speed reducing motor 12 and the vibration motor 17 are both electrically connected with the switch 18.

The utility model discloses a theory of operation is: the utility model discloses when using, start gear motor 12 through switch 18, later will treat the coarse aggregate of screening by the leading-in inner tube 5 of feeder hopper 13, gear motor 12 drives

inner tube

5 and 3 pivoted in-process of urceolus through drive shaft 8, can make the coarse aggregate in the inner tube 5 constantly move downwards, utilize second sieve mesh 6 to go into urceolus 3 with the less aggregate sieve of size in, and make qualified aggregate derive by first discharging pipe 14, the same reason, urceolus 3 is at the pivoted in-process, can sieve out littleer material, fall into casing 1 bottom, and make qualified aggregate derive by second discharging pipe 15, and simultaneously, the aggregate of sieving out by urceolus 3 has third discharging pipe 16 discharge casing 1, the multi-stage screening to coarse aggregate has been realized.

The utility model discloses a set up inner tube 5 and urceolus 3 inside casing 1, can effectively reduce the raise dust diffusion that the screening in-process produced to the outside air in, ensured the air quality, played good environmental protection effect.

The utility model discloses a speed that coarse aggregate moved down in inner tube 5 can effectively be slowed down in the setting of spiral baffle 10 to carry out abundant screening to coarse aggregate, effectively improved the screening effect.

The utility model discloses a vibrating motor 17's setting, when the screening in-process, can start vibrating motor 17 and make 1 bottom of casing produce the vibration to make the aggregate in the casing 1 quick landing to the discharge of 16 departments of third discharging pipe, can effectively avoid the aggregate to produce in casing 1 and pile up.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a concrete mixing plant uses coarse aggregate screening plant, includes casing (1), its characterized in that: the bottom of the shell (1) is fixedly connected with a plurality of supporting legs (2), the inner wall of the shell (1) is obliquely and rotatably connected with an outer barrel (3) and an inner barrel (5), the outer barrel (3) and the inner barrel (5) are coaxially arranged, the inner barrel (5) is positioned in the outer barrel (3), the outer wall of the inner barrel (5) is uniformly provided with second sieve holes (6), the outer wall of the outer barrel (3) is uniformly provided with first sieve holes (4), the outer wall of the shell (1) is fixedly connected with a feed hopper (13), the discharge end of the feed hopper (13) penetrates through the outer wall of the shell (1), the discharge end of the feed hopper (13) is communicated with the top end of the inner barrel (5), the corresponding part of the outer wall of the shell (1) and the bottom end of the inner barrel (5) is provided with a first discharge pipe (14), the corresponding part of the outer wall of the shell (1) and the bottom end of the outer, and a third discharge pipe (16) penetrates through the bottom of the shell (1).

2. The coarse aggregate screening device for the concrete mixing plant according to claim 1, wherein: the inner wall of casing (1) rotates and is connected with drive shaft (8), the center pin of drive shaft (8) and the center pin collineation of inner tube (5), the even fixedly connected with a plurality of second dead lever (9) of outer wall of drive shaft (8), the one end of second dead lever (9) and the inner wall fixed connection of inner tube (5), the outer wall fixedly connected with support (11) of casing (1), the outer wall fixedly connected with gear motor (12) of support (11), the one end of drive shaft (8) runs through behind the inner wall of casing (1) and the axle extension fixed connection of gear motor (12).

3. The coarse aggregate screening device for the concrete mixing plant according to claim 1, wherein: the inner wall of the inner cylinder (5) is fixedly connected with a spiral clapboard (10).

4. The coarse aggregate screening device for the concrete mixing plant according to claim 1, wherein: the outer wall of the inner barrel (5) is uniformly and fixedly connected with a plurality of first fixing rods (7), and one ends of the first fixing rods (7) are fixedly connected with the inner wall of the outer barrel (3).

5. The coarse aggregate screening device for the concrete mixing plant according to claim 1, wherein: the aperture of the first sieve pore (4) is smaller than that of the second sieve pore (6).

6. The coarse aggregate screening device for the concrete mixing plant according to claim 1, wherein: the bottom of the shell (1) is in conical contraction, and a vibration motor (17) is fixedly connected to the bottom of the shell (1).

7. The coarse aggregate screening device for the concrete mixing plant according to claim 2, wherein: the outer wall fixedly connected with switch (18) of casing (1), gear motor (12), vibrating motor (17) all with switch (18) electric connection.